21159936

素因数分解:

$2^{13}\times 3^2\times 7^1\times {\mathrm{41}}^1$

素因数の和:80

約数の個数: 168

約数和(自身を含む): 71560944

約数和(自身を除く): 50401008

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 41, 42, 48, 56, 63, 64, 72, 82, 84, 96, 112, 123, 126, 128, 144, 164, 168, 192, 224, 246, 252, 256, 287, 288, 328, 336, 369, 384, 448, 492, 504, 512, 574, 576, 656, 672, 738, 768, 861, 896, 984, 1008, 1024, 1148, 1152, 1312, 1344, 1476, 1536, 1722, 1792, 1968, 2016, 2048, 2296, 2304, 2583, 2624, 2688, 2952, 3072, 3444, 3584, 3936, 4032, 4096, 4592, 4608, 5166, 5248, 5376, 5904, 6144, 6888, 7168, 7872, 8064, 8192, 9184, 9216, 10332, 10496, 10752, 11808, 12288, 13776, 14336, 15744, 16128, 18368, 18432, 20664, 20992, 21504, 23616, 24576, 27552, 28672, 31488, 32256, 36736, 36864, 41328, 41984, 43008, 47232, 55104, 57344, 62976, 64512, 73472, 73728, 82656, 83968, 86016, 94464, 110208, 125952, 129024, 146944, 165312, 167936, 172032, 188928, 220416, 251904, 258048, 293888, 330624, 335872, 377856, 440832, 503808, 516096, 587776, 661248, 755712, 881664, 1007616, 1175552, 1322496, 1511424, 1763328, 2351104, 2644992, 3022848, 3526656, 5289984, 7053312, 10579968, 21159936]

約数ペア:

[(1, 21159936), (2, 10579968), (3, 7053312), (4, 5289984), (6, 3526656), (7, 3022848), (8, 2644992), (9, 2351104), (12, 1763328), (14, 1511424), (16, 1322496), (18, 1175552), (21, 1007616), (24, 881664), (28, 755712), (32, 661248), (36, 587776), (41, 516096), (42, 503808), (48, 440832), (56, 377856), (63, 335872), (64, 330624), (72, 293888), (82, 258048), (84, 251904), (96, 220416), (112, 188928), (123, 172032), (126, 167936), (128, 165312), (144, 146944), (164, 129024), (168, 125952), (192, 110208), (224, 94464), (246, 86016), (252, 83968), (256, 82656), (287, 73728), (288, 73472), (328, 64512), (336, 62976), (369, 57344), (384, 55104), (448, 47232), (492, 43008), (504, 41984), (512, 41328), (574, 36864), (576, 36736), (656, 32256), (672, 31488), (738, 28672), (768, 27552), (861, 24576), (896, 23616), (984, 21504), (1008, 20992), (1024, 20664), (1148, 18432), (1152, 18368), (1312, 16128), (1344, 15744), (1476, 14336), (1536, 13776), (1722, 12288), (1792, 11808), (1968, 10752), (2016, 10496), (2048, 10332), (2296, 9216), (2304, 9184), (2583, 8192), (2624, 8064), (2688, 7872), (2952, 7168), (3072, 6888), (3444, 6144), (3584, 5904), (3936, 5376), (4032, 5248), (4096, 5166), (4592, 4608)]